<!doctype html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Bootstrap demo</title>
  <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet">
</head>

<body>
  <h1>h1. Bootstrap heading</h1>
  <h2>h2. Bootstrap heading</h2>
  <h3>h3. Bootstrap heading</h3>
  <h4>h4. Bootstrap heading</h4>
  <h5>h5. Bootstrap heading</h5>
  <h6>h6. Bootstrap heading</h6>

  <script src="bootstrap-5.2.3-dist/js/bootstrap.min.js"></script>
</body>

</html>